Size: about 20~21mm wide, 20~22mm long, 5~8mm thick, hole: 2x7mm, about 18pcs/box.Material: Mixed natural and synthetic stone. Shape: Heart-shaped. Uses: handmade jewelry making.Package included: Comes with 18 pendants in 9 colors to meet your different craft needs. Each pendant has a small hole that string can pass through.Wide Application: Stone pendants are great for making necklaces. You can also add it to keychains, school bags, shoulder bags and more. It is also a great gift for Christmas, Valentine's Day, Mother's Day, Birthday, Wedding, Baby Shower to express your wishes.Stone products can give you a deep feeling of positive energy, peace of mind, balance, meditation, balancing emotions, energy for teens, beginners, yoga supplies, art collectibles, charm and discovery in jewelry making.